STOCKHOLDERS' EQUITY (Detail Textuals) - USD ($)
$ / shares in Units, $ in Thousands |
1 Months Ended |
12 Months Ended |
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Apr. 29, 2016 |
Dec. 31, 2016 |
Jan. 17, 2017 |
Jul. 21, 2015 |
Dec. 31, 2014 |
| Stock Transaction [Line Items] |
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| Value of common stock issued for consideration |
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$ 165,035
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| Financial Advisor |
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| Stock Transaction [Line Items] |
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| Value of common stock issued for consideration |
$ 2,600
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| Merger Agreement | Baylake Corp |
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| Stock Transaction [Line Items] |
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| Number of shares issued through acquisition |
4,344,243
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| Value of common stock issued for consideration |
$ 163,300
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| Additional consideration for assumed stock options |
1,200
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| Costs incurred related to stock issuance |
$ 300
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| Common stock repurchase program |
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| Stock Transaction [Line Items] |
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| Value of shares authorized to repurchased |
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$ 30,000
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$ 6,000
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$ 12,000
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| Shares authorized to repurchased |
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1,050,000
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175,000
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625,000
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| Stock repurchased under plan |
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$ 14,200
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| Number of shares cancelled under plan |
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518,609
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| Weighted average price of share cancelled |
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$ 27.31
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| Common stock repurchase program | Subsequent Event |
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| Stock Transaction [Line Items] |
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| Value of shares authorized to repurchased |
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$ 12,000
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| Shares authorized to repurchased |
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250,000
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